/**
 * @license
 * Copyright 2017 Google Inc. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */

module.exports = function (config) {
    config.set({
      frameworks: ['jasmine', 'karma-typescript'],
      files: [
        "src/setup_test.ts",       // Setup the environment for the tests.
        {pattern: 'src/**/*.ts'}
      ],
      preprocessors: {
        '**/*.ts': ['karma-typescript'],
      },
      karmaTypescriptConfig: {
        tsconfig: 'tsconfig.json',
        compilerOptions: {
          module: 'commonjs'
        }
      },
      reporters: ['progress', 'karma-typescript'],
      browsers: ['Chrome'],
      browserStack: {
        username: process.env.BROWSERSTACK_USERNAME,
        accessKey: process.env.BROWSERSTACK_KEY
      },
      reportSlowerThan: 500,
      browserNoActivityTimeout: 30000,
      customLaunchers: {
        bs_chrome_mac: {
          base: 'BrowserStack',
          browser: 'chrome',
          browser_version: 'latest',
          os: 'OS X',
          os_version: 'High Sierra'
        },
        bs_firefox_mac: {
          base: 'BrowserStack',
          browser: 'firefox',
          // TODO(nsthorat): Change to latest after browser stack infrastructure
          // stabilizes. https://github.com/tensorflow/tfjs/issues/1620
          browser_version: '66.0',
          os: 'OS X',
          os_version: 'High Sierra'
        }
      },
      client: {
        jasmine: {
          random: false
        },
        args: ['--grep', config.grep || '']
      }
    });
  };